sun
I think the sun because plankton have plants and plant need sunlight
Mitochondria is responsible for providing energy to the cell.
Energy from the sun
Energy from the sun.APEX
mitochondrion - an organelle containing enzymes responsible for producing energy
Mitchondria
The Mitochondria.
fuel
Energy from the sun.APEX
Mitochondria
Mitochondria converts the glucose into energy !.
chloroplast